


'''simple docstring'''
class     _lowerCamelCase       (     snake_case_					):




 '''simple docstring'''
 pass


class     _lowerCamelCase       (     snake_case_					):




 '''simple docstring'''
 pass


class     _lowerCamelCase       :




 '''simple docstring'''


 def __init__(   self    ):

  """simple docstring"""







  __A	:		Dict	  =      [
      [],
      [],
      [],
  ]


 def 			snake_case__ (   self   ,   __lowercase   ,   __lowercase    ):

  """simple docstring"""







  try:
   if len(self.queues[priority]    ) >= 100:
    raise OverflowError('Maximum queue size is 100'    )
   self.queues[priority].append(__lowercase    )
  except IndexError:
   raise ValueError('Valid priorities are 0, 1, and 2'    )


 def 			snake_case__ (   self    ):

  """simple docstring"""







  for queue in self.queues:
   if queue:
    return queue.pop(0    )
  raise UnderFlowError('All queues are empty'    )







 def __str__(   self    ):

  """simple docstring"""







  return "\n".join(F"""Priority {i}: {q}""" for i, q in enumerate(self.queues    )    )


class     _lowerCamelCase       :




 '''simple docstring'''


 def __init__(   self    ):

  """simple docstring"""







  __A	:		List[Any]	  =      []


 def 			snake_case__ (   self   ,   __lowercase    ):

  """simple docstring"""







  if len(self.queue    ) == 100:
   raise OverFlowError('Maximum queue size is 100'    )
  self.queue.append(__lowercase    )


 def 			snake_case__ (   self    ):

  """simple docstring"""







  if not self.queue:
   raise UnderFlowError('The queue is empty'    )
  else:
   __A	:		Dict	  =      min(self.queue    )
   self.queue.remove(__lowercase    )
   return data







 def __str__(   self    ):

  """simple docstring"""







  return str(self.queue    )


def       _lowercase							(					):
 __A	:		str	  =      FixedPriorityQueue()
 fpq.enqueue(0,					10      )
 fpq.enqueue(1,					70      )
 fpq.enqueue(0,					100      )
 fpq.enqueue(2,					1      )
 fpq.enqueue(2,					5      )
 fpq.enqueue(1,					7      )
 fpq.enqueue(2,					4      )
 fpq.enqueue(1,					64      )
 fpq.enqueue(0,					128      )
 print(UpperCamelCase__      )
 print(fpq.dequeue()      )
 print(fpq.dequeue()      )
 print(fpq.dequeue()      )
 print(fpq.dequeue()      )
 print(fpq.dequeue()      )
 print(UpperCamelCase__      )
 print(fpq.dequeue()      )
 print(fpq.dequeue()      )
 print(fpq.dequeue()      )
 print(fpq.dequeue()      )
 print(fpq.dequeue()      )


def       _lowercase							(					):
 __A	:		Tuple	  =      ElementPriorityQueue()
 epq.enqueue(10      )
 epq.enqueue(70      )
 epq.enqueue(100      )
 epq.enqueue(1      )
 epq.enqueue(5      )
 epq.enqueue(7      )
 epq.enqueue(4      )
 epq.enqueue(64      )
 epq.enqueue(128      )
 print(UpperCamelCase__      )
 print(epq.dequeue()      )
 print(epq.dequeue()      )
 print(epq.dequeue()      )
 print(epq.dequeue()      )
 print(epq.dequeue()      )
 print(UpperCamelCase__      )
 print(epq.dequeue()      )
 print(epq.dequeue()      )
 print(epq.dequeue()      )
 print(epq.dequeue()      )
 print(epq.dequeue()      )


if __name__ == "__main__":
 fixed_priority_queue()
 element_priority_queue()







"""simple docstring"""



import os



def 	_lowerCamelCase(	a = "matrix.txt"				):
       with open(os.path.join(os.path.dirname(a				)   ,    a				)				) as in_file:
              __a       =    in_file.read()

       __a       =    [[int(a				) for cell in row.split(","				)] for row in data.strip().splitlines()]
       __a       =    [[0 for cell in row] for row in grid]
       __a       =    len(grid[0]				)

       __a       =    [[0 for i in range(a				)] for j in range(a				)]
       __a       =    grid[0][0]
       for i in range(1   ,    a				):
              __a       =    grid[0][i] + dp[0][i - 1]
       for i in range(1   ,    a				):
              __a       =    grid[i][0] + dp[i - 1][0]

       for i in range(1   ,    a				):
              for j in range(1   ,    a				):
                     __a       =    grid[i][j] + min(dp[i - 1][j]   ,    dp[i][j - 1]				)

       return dp[-1][-1]


if __name__ == "__main__":
   print(F'''{solution() = }''')
